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Closed United Kingdom Works

00350-AST Whole House Retrofit Installation Works 2026-2030

Buyer: Stonewater Limited

Published
18 December 2025
Submission deadline
2 February 2026
Place of performance
UKG
Procedure
Open procedure
Documents
1
Notice number
084298-2025
Reference
ocds-h6vhtk-05f8eb
Official source
Official source

CPV codes

Description

Stonewater would like to appoint suitable contractors to deliver it's 2026-2030 retrofit programme. Our programme is informed by the Net Zero Investment Plan and includes the delivery of retrofit works across multiple funding streams. Works must be carried out in compliance with PAS2035 and PAS2030. The measures to be installed will include but not be limited to: - Insulation - Windows and doors - Heating systems - Solar PV - Ventilation Works will be delivered nationally but split into 4 regional lots. Contractors will be expected to deliver whole house retrofit and at least one element must involve self-delivery. The estimated contract value of £62.2m (incl VAT) is across all lots. Please see lot information to see how each lot is split value wise over the duration of the first 4 years. For more information about this opportunity, please visit the Delta eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-Whetstone:-Refurbishment-work./6YQFB48758 To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/6YQFB48758

Lots (4)

LotDescriptionCPV codeAmount
1 West (Lot 1)
UKG
45453100 Refurbishment work —
2 South East (Lot 2)
UKJ
45453100 Refurbishment work —
3 South West (Lot 3)
UKK
45453100 Refurbishment work —
4 East (Lot 4)
UKH
45453100 Refurbishment work —

Official publications

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Frequently asked questions

What is the deadline to bid for this tender?
The submission deadline is 2 February 2026. Check the official source, as dates can be modified.
Who is the buyer of this tender?
The contracting authority is Stonewater Limited (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.